(install-build-headers): make this function convoluted and deal with dist_, nodist, nobase and all its friends.
(install-build-headers): make this function convoluted and deal with
dist_, nodist, nobase and all its friends.


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@18327 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal